Home / 3,862.97-5,329.01-2,289.95

Finding the Fourth Proportional to 3,862.97, 5,329.01 and 2,289.95

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Solution

The fourth proportional to 3,862.97, 5,329.01 and 2,289.95 is: 3,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.97 : 5,329.01 = 2,289.95 : x
  2. Step 2: Convert to fraction form
    3,862.97/5,329.01 = 2,289.95/x
  3. Step 3: Cross multiply
    3,862.97x = 5,329.01 × 2,289.95
  4. Step 4: Simplify right side
    3,862.97x = 12,203,145.53
  5. Step 5: Solve for x
    x = 12,203,145.53/3,862.97
  6. Step 6: Final answer
    x = 3,159.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.